/*
 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.max.vm.tests.interactive;

/*
 * @Harness: java
 * @Runs: 0 = true
 */
public class UncaughtException {
    static RuntimeException throwMe = new RuntimeException("uncaught");

    /**
     * Testing that an uncaught exception is routed to the thread group.
     */
    public static boolean test(int i) throws InterruptedException {

        final TestThreadGroup testThreadGroup = new TestThreadGroup();
        final Thread thread = new Thread(testThreadGroup, new Runnable() {
            public void run() {
                throw throwMe;
            }
        });
        thread.start();
        thread.join();
        final Throwable throwable =  testThreadGroup.getLastUncaughtException();
        return throwable == throwMe;
    }

    static class TestThreadGroup extends   ThreadGroup {
        Throwable uncaught;
        TestThreadGroup() {
            super("test");
        }

        public synchronized Throwable getLastUncaughtException() {
            return uncaught;
        }

        @Override
        public void uncaughtException(Thread t, Throwable e) {
            synchronized (this) {
                uncaught = e;
            }
            super.uncaughtException(t, e);
        }
    }
}
